There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
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The temperature of the earth's interior increases by 1 degree every 60 feet down.
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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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The light hitting the earth right now is 30 thousand years old.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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Some asteroids have other asteroids orbiting them.
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A comet's tail always points away from the sun.
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